Migraine, tension headache and chronic daily headache are the most common primary headaches.
Migraines are episodes of intense headaches, often associated with nausea, vomiting, noise and light intolerance. Without treatment or with inappropriate treatment, the attacks last from 4 to 72 hours. When headaches are accompanied by visual, sensory (tingling of a part of the body) or speech disturbances, the condition is called a migraine with aura. The aura usually precedes the onset of the pain. More rarely, the aura may be isolated and not be followed by headaches. Migraine without aura is the most common form.
Psychological, hormonal, climatic, dietary and lifestyle factors can trigger an attack.
Tension headache is a headache affecting both sides of the skull. It is felt as a mild to moderate pressure or tension, radiating to the neck, temples or forehead, and sometimes to the neck. The attacks can last from a few minutes to a few hours. It may be related to stress or to cervical muscular and skeletal problems. Chronic daily headache is originally an episodic headache (migraine or tension headache) that has developed usually as a result of overuse of painkillers.
Headache is said to be chronic when episodes of headache occur more than 15 days per month, for more than 3 months.
Multiple sclerosis (MS) is a disease of the central nervous system that can affect the brain and/or spinal cord, causing a wide range of symptoms, including problems with vision, movement of the arms or legs, sensation or balance.
MS is an autoimmune disease. This is when the immune system mistakenly attacks the brain or spinal cord.
Currently there are a number of treatments that can help control the disease. The treatment you need will depend on the specific symptoms and any decision will be made on a very individual level.
The term Cerebrovascular Disease refers to a group of conditions that can result in a cerebrovascular event, such as a stroke. These events affect the blood vessels and the supply of blood and oxygen to the brain.
Strokes, transient ischaemic attacks, haemorrhages, aneurysms and vascular malformations (AVMs) are part of cerebrovascular diseases.
Other examples include stenoses of the carotid arteries, intracranial arresters or vertebral arteries.
An ischaemic strokeoccurs when a blood vessel supplying the brain is blocked by a blood clot or plaque. A clot or thrombus can form in an already narrow artery. A stroke occurs when the lack of blood causes necrosis (death) of brain cells. An embolism occurs when a clot breaks loose from somewhere else in the body (usually the heart) and travels to the brain to block a smaller artery. This is more common in people with arrhythmias, such as atrial fibrillation.
A haemorrhagic stroke occurs when a blood vessel in a part of the brain becomes weak and bursts, causing blood to leak into the brain. This causes damage to brain tissue. A ruptured aneurysm or AVM is sometimes the cause of the haemorrhage.
Problems with memory, attention, speech and behaviour in the elderly may be the first signs of dementia, such as Alzheimer's disease, vascular dementia or other rarer forms. By combining clinical examination, neuropsychological tests, neuroradiological and neurophysiological investigations the diagnosis becomes possible. Early therapy is currently the best solution to block the progression of dementia.
Difficulty walking, tremors, abnormal postures...can be symptoms of a disease of the nervous system. Parkinson's disease is by far the best known condition, but several variants are possible. Therapeutic strategies are nowadays happily articulated, ranging from medication to surgery by intracranial stimulation.Enter your text here
Epilepsy is a neurological disorder caused by an abnormal discharge of nerve cells in the brain. It manifests itself with seizures that vary greatly in frequency, clinical characteristics and duration from person to person. To be considered epileptic, a person must have seizures that recur over time. A single "isolated" seizure may occur in exceptional circumstances and never recur, or be caused by factors such as alcohol, sleep deprivation, etc.
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